Home / 418,081.72-576,731.64-264,849.62

Finding the Fourth Proportional to 418,081.72, 576,731.64 and 264,849.62

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Solution

The fourth proportional to 418,081.72, 576,731.64 and 264,849.62 is: 365,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,081.72 : 576,731.64 = 264,849.62 : x
  2. Step 2: Convert to fraction form
    418,081.72/576,731.64 = 264,849.62/x
  3. Step 3: Cross multiply
    418,081.72x = 576,731.64 × 264,849.62
  4. Step 4: Simplify right side
    418,081.72x = 152,747,155,695.98
  5. Step 5: Solve for x
    x = 152,747,155,695.98/418,081.72
  6. Step 6: Final answer
    x = 365,352.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.